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145145-17-1

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145145-17-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145145-17-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,1,4 and 5 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 145145-17:
(8*1)+(7*4)+(6*5)+(5*1)+(4*4)+(3*5)+(2*1)+(1*7)=111
111 % 10 = 1
So 145145-17-1 is a valid CAS Registry Number.

145145-17-1Downstream Products

145145-17-1Relevant articles and documents

Structural and chiroptical properties of acyclic and macrocyclic 1,5-bis(oxazoline) ligands and their copper(I) and silver(I) complexes

Hollosi, Miklos,Majer, Zsuzsa,Vass, Elemer,Raza, Zlata,Tomisic, Vladislav,Portada, Tomislav,Piantanida, Ivo,Zinic, Mladen,Sunjic, Vitomir

, p. 1738 - 1748 (2002)

C2-symmetric acyclic Ligands 1a-1e, macrocyclic ligands 2a-2d and 3, and their copper(I) and silver(I) complexes were studied by UV, NMR and CD spectroscopy. The stability constants of the metal-1a and -1b complexes with 1:1 and 1:2 stoichiometries in acetonitrile were determined by spectrometric titrations. Evidence of tetrahedral coordination for complex [Ag(1a)2]+ was obtained from the complexation induced shifts (CIS) and NOEs, and corroborated by molecular modeling. Ligands with phenyl rings on the stereogenic centers (1a,c and 2) exhibit a strong Cotton effect (CE) in the region of the 1Bb band, which is absent in the ligands with benzyl groups on the stereogenic center (1b, 3). This effect is ascribed to the exciton coupling (EC) of two aromatic chromophores on the stereogenic center. For ligands la and 2a the EC changes the sign on complexation to Cu+, revealing opposite helicity of the free and complexed ligand. Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002.

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